6.R语言 分类回归树--决策树、随机森林

1.回归树dom data(prostate) prostate$gleason <- ifelse(prostate$gleason == 6, 0, 1) pros.train <- subset(prostate, train == TRUE)[, 1:9] pros.test = subset(prostate, train == FALSE)[, 1:9]tcp set.seed(123

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